Improvement in kerosene-lamp burners



A. B. HENDRYX.

Lamp Burner No. 49,680. Patented Aug. 29, 1865.

mlnessefi UNITED STATES PATENT OFFICE.

A. B. HENDRYX, OF DERBY, CONNECTICUT, ASSIGNOR TO HIMSELF, H. A.

SHIPMAN, AND ROBERT HOADLEY, OF SAME PLACE.

IMPROVEMENT IN KEROSENE-LAMP BURNERS.

Specification forming part of Letters Patent No. 49,680, dated August 29, 1865.

O all 107mm it may W: the wick, and it is further necessary that only Be it known that I, ANDREW B. HENDRY X, a sufficient amount of air should be admitted of Derby, in the county of New Haven and for this purpose. This has been partially ac- State of Connecticut,have invented anew and complished by inserting a separate piece of useful Improvement in Kerosene-Lamp Burnmetal around the tube, so as to leave a narrow ers; and I do hereby declare the following to opening around the tube for the admission of be a full, clear, and exact description of the air; but this arrangementfails,inasmuch as the same, when taken in connection with the 210- said piece of metal does not close the dome, companying drawings and the letters of referbut permits more air to pass up over the edge ence marked thereon, and which said drawof the said piece, which is not required, and iugs constitute part of this specification, and therefore partially defeats the object of the represent, in-- burner.

Figure 1, a perspective view, and in Fig. 2 a In my invention this difficulty is entirely central vertical section. overcome. Instead ofinsertingaseparatepiece My invention relates to an improvement in of metal I cut through the two sides of the that class of kerosene-lamp burners which are dome, (after having first cut the opening 0 for designed to burn without the necessity of a 'the flame,) as seen in Fig. 1, forming on each chimney, its objects being to produceaburner side a tongue, F, which I bend in, as seen in which will more perfectly consume the carbon, Fig. 2, to form the air-space i. This may be and at a less cost of construction than the more or less by bending the tongues more or burners for the same class now in use. less near to the tube A, the surplus air pass- To enable others skilled in the art to coning out, as denoted by arrows in black, Fig. 2, struct my improvement, I will fully describe while red arrows denote the passage of air for the same as illustrated in the accompanying the purpose of supporting combustion. drawings. Thus I produce a burner which will burn A is the wick-tube, fixed to a neck, B, properfectly without a chimney, reduced in cost, vided with a screw-thread by which to secure inasmuch as a large amount of metal is reit to the lamp, is also furnished with an admoved, owing to the construction of the dome, iusting-screw, C, in the usual manner for simiwhich does not require that the passage of air lar burners. should be obstructed, and avoiding the use of D is the basket surrounding the neck B, and an extra piece around the burner to produce supports the dome E, the two being secured but partially the result fully accomplished by together in any convenient or known manner. the tongues F. Therefare,

The construction of the dome, which forms Having, as fully shown, produced a better the principal feature of myinvention, is as foland cheaper burner, than heretofore produced, lows: It is first struck up in dies prepared I claim as new and useful and desire to secure for the purpose, forming a rim or flange, a, the by Letters Patent-- side and spherical end uncut; then open the 1. The combination of the tonguesF F with sides by removing all the metal save enough the tube A, substantially as and for the purto form supports 0 for the spherical part d. pose specified.

This removes a large portion of the weight of 2. A dome constructed in the manner and the dome, and permits an unobstructed pasfor the purpose specified, when combined with sage of air around the tube to keep it cool, the tube of burners. and thereby prevent the generation of gases within the lamp.

In order to perfectly consume the carbon, it Witnesses; is necessary to mingle atmospheric air with SYLvEs'rER BARLOW, the flame at or very near the lighted end of N. S. JOHNSON.

A. B. HENDRYX. 

